Literally, the normal direction is the direction of the normal, which is perpendicular to the tangential direction, the direction of the tangent. Both the tangential and normal directions are relative to the interface, trajectory, etc.
Normal direction
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Literally, the normal direction is the direction of the normal, which is perpendicular to the tangential direction, the direction of the tangent. Both the tangential and normal directions are relative to the interface, trajectory, etc.
- Name
- Normal direction
- Definition
- Normal direction
- break down
- Tangential component
- Features
- Particles moving along a curve
In general, the acceleration of a particle moving along a curve can be decomposed into two orthogonal components, namely:
The tangent component is called the tangential component.
The component that is perpendicular to the orbit is called the normal component.
As shown in the figure, the force N is perpendicular to the plane P, so the force N is said to be normal.
